Manganese occurrence · Riverside County, California
| State | California |
| County | Riverside |
| Coordinates | 33.90468, -114.87587 |
| Tertiary | Manganese |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10033521 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Red Bluff Fluorspar Deposit | 1.5 mi | Fluorine-Fluorite | Producer |
| Red Ocher | 1.5 mi | Tungsten | Occurrence |
| Red Bluff Fluorspar Deposit | 1.8 mi | Fluorine-Fluorite | Past Producer |
| Lucky Boy Mine | 2.2 mi | Prospect | |
| Little Maria | 2.3 mi | Iron | Occurrence |
| Red Bluff Fluorspar Deposit | 2.4 mi | Past Producer | |
| Red Ocher Deposit | 2.5 mi | Iron | Unknown |
| Figueroa Quarry | 2.5 mi | Stone, Dimension | Producer |
| Midland Deposits | 2.7 mi | Gypsum-Anhydrite | Producer |
| Black Dam | 2.8 mi | Unknown | |
| Dale 3-X Brown Mine | 2.8 mi | Fluorine-Fluorite | Past Producer |
| Big Horn Group | 2.8 mi | Copper | Prospect |
This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.